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Move SoftIRQ implementations to softirq component

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This commit is contained in:
Chen Chengjun
2024-10-17 17:41:24 +08:00
committed by Tate, Hongliang Tian
parent 54a807b5f7
commit 2f511069ee
17 changed files with 106 additions and 47 deletions
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7
ostd/src/cpu/local/cell.rs
View File

@ -39,6 +39,7 @@ use crate::arch;
/// println!("2nd FOO VAL: {:?}", FOO.load());
/// }
/// ```
#[macro_export]
macro_rules! cpu_local_cell {
($( $(#[$attr:meta])* $vis:vis static $name:ident: $t:ty = $init:expr; )*) => {
$(
@ -55,8 +56,6 @@ macro_rules! cpu_local_cell {
};
}
pub(crate) use cpu_local_cell;
/// Inner mutable CPU-local objects.
///
/// CPU-local cell objects are only accessible from the current CPU. When
@ -71,6 +70,10 @@ pub(crate) use cpu_local_cell;
/// You should only create the CPU-local cell object using the macro
/// [`cpu_local_cell!`].
///
/// Please exercise extreme caution when using `CpuLocalCell`. In most cases,
/// it is necessary to disable interrupts or preemption when using it to prevent
/// the operated object from being changed, which can lead to race conditions.
///
/// For the difference between [`super::CpuLocal`] and [`CpuLocalCell`], see
/// [`super`].
pub struct CpuLocalCell<T: 'static>(UnsafeCell<T>);

6
ostd/src/cpu/local/mod.rs
View File

@ -28,10 +28,6 @@
// the CPU-local objects can be shared across CPUs. While through a CPU-local
// cell object you can only access the value on the current CPU, therefore
// enabling inner mutability without locks.
//
// The cell-variant is currently not a public API because that it is rather
// hard to be used without introducing races. But it is useful for OSTD's
// internal implementation.
mod cell;
mod cpu_local;
@ -41,7 +37,7 @@ pub(crate) mod single_instr;
use alloc::vec::Vec;
use align_ext::AlignExt;
pub(crate) use cell::{cpu_local_cell, CpuLocalCell};
pub use cell::CpuLocalCell;
pub use cpu_local::{CpuLocal, CpuLocalDerefGuard};
use spin::Once;

4
ostd/src/cpu/mod.rs
View File

@ -13,11 +13,11 @@ cfg_if::cfg_if! {
}
use bitvec::prelude::BitVec;
use local::cpu_local_cell;
use spin::Once;
use crate::{
arch::boot::smp::get_num_processors, task::DisabledPreemptGuard, trap::DisabledLocalIrqGuard,
arch::boot::smp::get_num_processors, cpu_local_cell, task::DisabledPreemptGuard,
trap::DisabledLocalIrqGuard,
};
/// The number of CPUs.